Finding the Fourth Proportional to 3,059.20, 4,587.72 and 1,110.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.20 : 4,587.72 = 1,110.88 : x
2. Step 2: Convert to fraction form
   3,059.20/4,587.72 = 1,110.88/x
3. Step 3: Cross multiply
   3,059.20x = 4,587.72 × 1,110.88
4. Step 4: Simplify right side
   3,059.20x = 5,096,406.39
5. Step 5: Solve for x
   x = 5,096,406.39/3,059.20
6. Step 6: Final answer
   x = 1,665.93